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6. Depth Perception
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- 1what is the strong element associated with depth perceptoin?strong innate element -- for evolutionary survival
- 2what are the 4 depth cuesocculomotor
pictorial
motion-produced
binocular disparity - 3what are occulomotor cuescues that depend on our ability to sense the position of our eyes & tension in eye-muscles
- 4what are pictorial cuescues that can be depicted in a picture - can be monocular
- 5what are motion produced cuescues that depend on movement of observer or of object in environment
- 6what is binocular disparitycues that depend on the fact that slightly different images of a scene are formed o each eye
- 7with occulomotor cues, what is corelated with the distance of the observed object?the shape of the lens & distance of our eyes
- 8what are we likely to experience?convergence as eye muscles cause us to look inwards
accommodation as lens bulge to focus on a near object - 9the closer the object..the more the convergence and accommodation
- 10how are pictorial cues better to be viewed?monocularly
- 11what are the 8 different cues to pictorial cues?occlusion, relative size, relative height, atmospheric perspective, texture gradient, shading & shadow, familiar size, linear perspective
- 12what does the atmospheric perspective cue say?that the further away something is, there is more light & air particles to look thru = less sharp
+ more blue - 13what does linear perspective saylines that are parallel seem to convergence in the seen as they get further away
- 14what does familiar size sayif ur familiar with an object & its size, it acts as a cue for how far away it might be with the retinal image
- 15what does relative height saybelow eye height = highest point is furthest away
above eye height = lowest point is further away - 16what does relative size saythe further away an object is, the smaller it gets in retinal image
- 17how does the retinal image size change in relative size cues with distanceincrease distance = smaller retinal image
decrease distance = larger retinal image - 18what is size constancywhen an object remains the same size in reality despite the changing size in retinal image
really important for depth perception! - 19what is emmert's law?objects that generate retinal images of the same size will look different in physical size if they're at different distances
(sort of the opposite of the relative size cue kinda) - 20what are the two parts to the shading & shadow cue?attached shadows -- shadow within object
detached shadows -- shadows outside of object - 21how do we tell the different with these cues?we need to know where the light source is coming from -- often assume its above
- 22what is the texture gradient cuetexture becomes smaller, finer & coarse as distance increases -- esp if patterned
- 23what does occlusion saywhen one object slightly obscures the other, the overlap demonstrates depth
- 24what are the motion-produced cues?motion parallex & deletion + accretion
- 25what does motion parallax saynearby moving objects move rapidly & far object move slowly. either the object is moving or we're moving
- 26what kind of cue is motion parallax & who is it often used by & why?monocular -- animals without binocular disparity to increase visual field
birds bob heads, squirrels use orthogonal running - 27what does the deletion & accretion cue sayas an object moves in an environment, deletion of a back object occurs when the front object moves, and accretion is when it covers less of that back object
- 28what is binocular disparity also known as?binocular stereopsis -- two different retinal images due to slight difference between two eyes; constructs a 3rd image
- 29—
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- (Intro to Sensation & Perception) Psychology Fichas sobre 6. Depth Perception, creado por Reeth G el 22/05/2024.
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- Reeth G
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